Last Caribou Herd On U.S. Mainland 'Functionally Extinct', Experts SayThe last herd of southern mountain caribou -- known as gray ghosts -- has reportedly dwindled down to the point where wildlife experts are calling them "functionally extinct"
Study: Mass Extinction Under Way, And Humans Are ResponsibleResearchers warn habitat encroachment, over-hunting and climate change have sparked a massive extinction event.
$4 Million In US Projects That Aim To Protect Sage Grouse Could Hurt MilitaryFederal officials have announced more than $4 million in projects in four states as part of a wildfire-fighting strategy but the efforts could hurt training operations at numerous U.S. military facilities in the West.
Biologists Question Federal Plans To Protect Sage Grouse BirdThe government is preparing insufficient protections for a ground-dwelling bird that has declined significantly over the past century and soon will face a possible endangered species listing.
Texas Club Auctions Right To Hunt Endangered RhinoPlans to auction a rare permit that will allow a hunter to take down an endangered black rhino are drawing criticism from some conservationists, but the organizer says the fundraiser could bring in more than $1 million that would go toward protecting the species.
Group: Federal Government Hasn't Done Enough To Save FrogsA conservation group says the federal government hasn't done enough to save endangered burrowing frogs because it has yet to write up a rescue plan.